Carrier 50PQ User Manual
Page 9
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NET COOLING CAPACITIES"
UNIT
50RQ
006
008
010
EVAP AIR
CONDENSER ENTERING AIR TEMPERATURE (F)
Cfm
BF
Ewb
TC
85
SHC К w TC
95
SHC Kw
TC
100
SHC К w TC
105
SHC Kw
TC
115
SHC Kw
1800
056
72
66
32
7 7
64
3’
8 0
62
31
8 2
60
30
8 4
56
29
8 7
67
6'
42
7 4
58
41
7 7
56
40
7 9
54
40
8 0
49
38
8 3
62
56
51
7 1
52
5C
7 4
51
49
7 6
49
47
7 7
46
44
8.0
2000
063
72
66
32
7 9
64
31
8 3
62
31
8 5
60
30
8 6
56
29
8 9
67
62
43
7 6
59
42
7 9
57
42
8 1
54
41
8 3
50
39
8 5
62
57
53
7 3
54
51
7.7
52
49
7 8
51
48
8 0
47
44
8 4
2500
081
72
66
33
8 6
64
32
9 1
62
32
9 3
61
31
9 4
56
30
9 7
67
62
46
8 4
59
46
8 8
57
45
8 9
54
44
9 1
50
42
9 4
62
58
55
8 3
56
52
8 6
54
51
8 8
52
49
9 0
49
45
9 3
2700
048
72
100
48
11 0
96
47
11 6
93
46
12 0
90
45
12 3
84
43
12 8
67
92
64
10 7
87
6'
11 2
84
61
n 4
81
59
11 7
74
57
12 2
62
84
77
10 3
79
74
10 8
76
73
11 G
74
71
11 3
69
ÓÓ
11 9
3000
72
101
50
11 1
97
49
11 8
94
48
12 0
92
47
12 4
85
45
12 9
67
94
67
10 8
88
65
11 3
84
64
11 6
82
63
11 8
76
60
12 3
055
62
86
81
10 4
81
78
10 9
79
76
11 2
76
73
11 5
71
68
12 1
3700
070
72
101
51
11 8
98
51
12 6
96
50
12 9
93
50
13 1
86
48
13 7
67
95
71
11 5
90
7C 12 1
87
69
12 4
84
68
12 6
77
66
13 2
62
90
85
11 3
86
81
11 9
83
78
12 2
81
75
12 5
75
70
13 1
3200
043
72
123
63
13 8
117
ÓÌ
14 5
114
60
14 8
111
59
15 0
103
56
IS 6
67
113
80
13 2
107
78
13 8
103
77
14 1
99
75
14 3
91
12
14 9
62
103
97
12 7
97
93
13.3
94
91
13 6
90
89
13 9
84
84
14 4
3600
050
72
124
65
14 0
119
63
4 7
115
62
15 0
112
62
15 4
104
58
15 9
67
115
85
13 5
108
83
14 1
105
81
14 4
101
80
14 7
93
76
15 2
62
106
102
13 0
99
98
13 6
96
95
13 9
93
93
14 2
87
87
14 8
4500
064
72
124
67
15 2
118
Ó6 16 0
115
65
16 3
112
64
16 6
104
62
17 2
67
115
92
14 8
108
90
15 4
105
89
15 7
101
87
15 9
93
84
16 5
62
108
107
14.3
102
102
15.0
99
99
15.3
96
96
15.6
89
89
16 3
BF
— Bypass Factor
Ewb
_ Entering Wet Bulb
Kw
— Total Power Input
SHC
— Net Sensible Capacity
TC
—
Net
Total
Capacity
*Fan motor heat deducted
NOTES:
1
Direct Interpolation is pelmissible Do not
extra polate
2
Tlie following formulas may be used:
sensible capacity (Btuh)
t|db -tedb
1 09
X
cfm
t|wb Wet-bulb temperature corresponding to en
thalpy of air leaving evaporator coil (h|yy[j).
^
^
total capacity (Btuh)
Iwb - ewb
4 5
X cfm
Where
hewb “ Enthalpy of air entering evaporator coil
3
SFIC is based on 80 F edb temp of air ent evap coil
Below
80
F
edb,
subtract
(corr
factor
x
cfm)
from
SHC.
Above so F edb, add (corr factor x cfm) to SHC.
ENTERING AIR DRY-BULB TEMP (F)
under 75
over
85
shown be
Interpolation is permissible
Correction Factoi = 1 09 x (1 — BF) x (edb — 80)
Capacities are at 2 in wg ESP for cfm indicated for
006 units; at 25 in wg for 008 units, at 3 in wg
for 010 units
BF
79
81
78
82
77
83
76
84
75
85
CorrectionFactor
.04
1 05
2 09
3 14
4 19
5 23
.10
98
1 96
2 94
3 92
4 91
.15
,93
1.85
2.78
3.71
4.63
UNIT
50RQ
006
008
010
CFM
(Std
Air)
1800
2000
2500
2700
3000
3700
3200
3600
4500
-20
Cap.
14
13
15
14
18
17
20
18
21
19
24
22'
15
14
16
J5
20
18
К w
3.8
3 9
4.8
5.4
5 5
5 9
6 2
6 3
-10
Cap.
19
17
20
18
23
21
27
25
28
26
30
28
31
28
32
29
36
^ ^ I
33
]Instantaneous Rating
Kw
4.1
4 2
5 1
5 9
6 0
6 4
7 0
8 0
INSTANTANEOUS/INTEGRATED HEATING RATINGS
TEMPERATURE AIR ENTERING OUTDOOR COIL (F db at 70% rh)
0
Cap.
25
23"
26
24
29
27
34
31_
35
32
38
35
43
39
44
40
48
44
К w
4.4
4 5
5 4
6.4
6 5
6 9
7 8
7 9
8
8
10
Cap.
31
28
32
29
35
32^
44
,40...,
45
.4L
48
44
56
J51_
57
52
61
56
Kw
4.7
4 8
5.7
6 9
7 0
7 6
8 6
9 1
10
2
17
Cap.
38
34_
39
„.35 ^
42
38
55
50
56
51
59
54
65
59
67
LI
71
75
U Integrated Rating
Cap.
— Heating Capacity (1000 Btuh)
Kw
— Total Power Input, includes
outdoor fan motor input, and
, includes indooi fan motor heat
compressor motor power input,
indoor fan motor input
К w
5.1
5 2
6 1
7 5
7 6
9 1
9 1
10
2
30
Cap.
46
40
47
41
50
44
83
72
84
73 '
89
77
Kw
5 6
5 7
6 7
8
2
8 7
10 2
10 3
1
40
47
50
Cap.
54
К
W
6 c
Cap.
Ó1
Kw
6.4
Cap.
Ó4
54
61
64
55
6,1
62
6 5
65
55
62
65
58
7 1
65
7.6
69
58
65
69
80
8.8
90
94
9.5
80
90
94
81
8 9
91
9 6
95
81
91
95
85
9 5
94
10 0
99
85
94
99
97
1
1
0
no
116
97
110
116
99
112
118
99
112
118
104
118
12 6
124
104
118
124
Kw
6 7
6
8
7 7
9 8
9 9
1 0 2
1 2.1
12.1
12.9
60
Cap.
73
73
104
104
105
105
108
108
134
134
136
136
140
140
Kw
7 3
7 3
10.4
10 5
10 8
13.1
13 1
13 8
NOTE
Ratings
are
based
on
70
F
air
entering
indoor
coil
without
resistance
heaters
Integrated
capacity
is
maximum
(instarrtaneous)
capacity less the effect of frost on the outdoor coil and the heat re
quired to defrost it Ratings are at 2 in wg ESP for cfm indicated for
006 units, at 25 in wg for 008 units and, Sin wg for 010 rrnits